Related Clues:

• Overtime cause
• Bond
• Four-in-hand, for one
• 20-20, e.g.
• Casualty of casual Friday
• It may be looped
• 50-50, e.g.
• Formal wear
• Attach
• Ring around the collar?
• Track supporter
• Unsatisfying game result
• Casual Friday castoff
• 7 up, e.g.
• Obligation